【摘要】 采用微控制器P87C591作为主控芯片,研究并设计了一种新型多功能混合料摊铺机的料位超声波测量系统,实现了混合料摊铺厚度的实时检测与控制;该系统采用超声波脉冲回波测量方法测量摊铺料厚度,利用温度传感器DS1624测量环境温度,通过软件对温度引起的测量误差进行补偿;给出了系统的硬件设计和测距软件流程图,实验结果表明:该系统测量精度高,误差小于2 mm,具有较强的实用价值。更多还原

【Abstract】 By adopting the main controller P87C591 and ultrasonic distance measuring instrument,researched and designed a new kind of mixture level measurement system in multifunction paver,realized the real time control of the mixture paving thickness.This system adopts ultrasonic pulse echo to measure distance,uses temperature sensor DS1624 to obtain ambient temperature which is used to compensate the measurement errors by soft programming.The hardware designs and soft flow chart of the system are given.Testing results indicate the system has high degree of accuracy,the error is less than 2mm,and has stronger application value.更多还原